57f68b377a
Rounding usage up to the TLAB causes excessive growth because it gives the growth policy a very inflated view of the survivor ratio. Ensure new-space grows specifically to provide enough TLABs for active mutators. TEST=golem Change-Id: Iab01df18c6a8ac996e0f0b2707c9da7e14c7f4a4 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/241689 Reviewed-by: Martin Kustermann <kustermann@google.com> Commit-Queue: Ryan Macnak <rmacnak@google.com>